What is the value of AGrxn for the reaction: 2C » 3A+4B ? Given that C » 3/2 A+2B AG° 230.5 kJ/mol !! rxn

Q: Here is the reaction of carbon monoxide and hydrogen to form gaseous methanol at 298 K. (a)…

A: (a) ∆S° = -219.2 J/K (b) Sign of ∆S° = -ve (c) ∆H° = -90.5 kJ (d) ∆G° = -ve ( spontaneous reaction )

Q: Consider the reaction 2HBr(g) H₂(g) + Br₂(1) The standard free energy change for this reaction is…

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Q: For a particular chemical reaction DH = 6.8 kJ and DS = –29 J/K. Under what temperature condition is…

A: Gibbs Helmholtz Equation: Is the equation denoted by,…

Q: Given ΔHrxn∘= −135 kJ, ΔS∘rxn= −263 J/K, and T= 550 K, will the reaction be spontaneous or…

A: Solution :     The change in Gibbs free energy calculated by the change in entropy, temperature, and…

Q: Predict the sign of heat (q) and work (w) for the following exothermic reaction conducted at a…

A: The chemical process in which the energy is released and absorbed are named as exothermic and…

Q: Calculate ∆G  (in kJ) at 35.4oC for a reaction that has Keq = 119

A: Using Keq we can calculate ∆G at particular temperature.

Q: Consider the reaction: 2Na(S) + 2H-0()—2NaОН(аq) + H2(9) Using standard thermodynamic data at 298K,…

A: Given data,∆GofH2O(l) = -237.1 kJ/mol  ∆GofNa(s) = 0 kJ/mol  ∆GofNaOH(aq) = -419.2 kJ/mol  ∆GofH2…

Q: Calculate the value of ΔE and ΔH on heating 64.0 g of oxygen from 0 degree celcious  to 100 degree…

A: The ΔE is the internal energy that is stored within the system while ΔH is the enthalpy of the…

Q: A woman shuts her summer cottage up in September and returns in June. No one has entered the cottage…

A: A woman shuts her summer cottage up in September and returns in June. No one has entered the cottage…

Q: A particular reaction is spontaneous at 450 K. The enthalpy change for the reaction is +34.5 kJ.…

A: Given : Enthalpy change of reaction, ΔH = +34.5 KJ = 34500 J…

Q: For the combustion of 0.05086 mol of C5H12O(l) at constant pressure and a temperature of 25.00oC, we…

A: Various thermodynamics entities are interlinked through thermodynamics’ law such as first law,…

Q: Popular chemical hand warmers generate heat by the air-oxidation of iron:…

A: The change in Gibbs free energy is as follows,                                         Where, delta…

Q: Describe how entropy and enthalpy combine for the overall determination of spontaneity. What values…

A: The Gibbs equation, shown in equation (1) where ΔH is the enthalpy change, ΔS is the entropy change,…

Q: Which substance would have the smallest standard molar entropy? NO2(g) N2(1) N2(g) NO2(1)

A: Entropy is determined by checking the state of phase . In which state material is available .

Q: Calculate ΔEΔE, if q=q= 0.768 kJkJ and w=w= -880 JJ

A: We have given that q = 0.768KJ W = -880J = -0.880KJ ∆E = ?  So According to first law of…

Q: starting from the definition of Gibbs Free Energy, the 1st law of thermodynamics, the 2nd law of…

A: To derive the criteria for spontaneity for Gibbs free energy.

Q: Lighters are usually fueled by butane(C4H1O). When 1 mole of butane burns at constant pressure it…

A: Given: Moles of butane= 1 mol Heat produced =2658 kJ Amount of work done=3 kJ  To Calculate: the…

Q: The reaction: Al(s) + Fe₂O3(s) → Fe(s) + Al₂O3(s) has AH = -847.6 kJ and AS = -41.3 J/K at 25 °C.…

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Q: A particular reaction is thermodynamically favorable at 390 K. The enthalpy change for the reaction…

A: Here given temperature  390 K ΔH = +23.7 kJ ΔS = ?

Q: 2. The muscles in our bodies work similar to that of a fuel cell, by metabolizing sugar (glucose) to…

A: Given: standard enthalpy of formation of glucose (s) = -1273.3kJ/mol standard enthalpy of formation…

Q: How can you calculate the standard entropy change for a reaction from tables of standard entropies?

A: The standard entropy change for a reaction from tables of standard entropies can be calculated by…

Q: (a) (i) What are the thermodynamic quantities of a system that affect the amount and sign of the…

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Q: . Consider the following reaction at constant pressure. Use the information here to determine the…

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Q: 2) Consider the following reaction at constant pressure. Use the information here to determine the…

A: The objective of the question is to determine the value of ​ and whether the reaction is spontaneous…

Q: Calculate the value of ΔHo for the reaction        2 NO2 (g) --> N2O4 (g) at 298K     Given  ΔSo =…

A: Given chemical reaction :-   2 NO2 (g) --> N2O4 (g)   At  298K    ΔSo = -176  J/Kmol  and   ΔGo =…

Q: At what temperature or range of temperatures will a reaction be spontaneous if the value of H° =…

A: ∆G = ∆H- T∆S If ∆G < O spontaneous reaction If ∆G > O  non spontaneous reaction

Q: The test tube used in the determination of the ΔHrxn for nitric acid was still wet with water. […

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Q: For the combustion of 1.00 mol of benzene, C6H₁, at 25 °C and 1.00 bar Calculate the work that must…

A: Combustion of benzene is as follows, C6H6(l) +  72O2(g)→6CO2(g) +3H2O (l) ​  So ∆ng = 6-72 =52 =2.5…

Q: Suppose that a house and its exterior are both initially at 31 °C. Sometime after the air…

A: Spontaneous process is one which proceeds on its own and does not require any external assistance.…

Q: The rule of Dulong and Petit states that the molar heat capacities of the metallic elements are…

A: Molar heat capacity can be calculated using the formula:  Molar heat capacity= Molar mass x specific…

Q: When solid ammonium nitrate, NH4NO3, dissolves in water the solution becomes extremely cold— hence…

A: The heat energy needed to break up 1 mole of crystal lattice is the lattice dissociation enthalpy.…

Q: ΔEsys

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Q: Calculate the ∆Suniv and classify whether or not the reaction is spontaneous at 25°C Decomposition…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between systems…

Q: Consider 1.00 mol of a monatomic ideal gas for which c,=3/2 R. The gas is subjected to a…

A: In the given question , the process is isochoric as volume is constant. So, heat capacity at…

Q: Determine the entropy of * NH₂Cl(s) → NH3(g) + HCl(g) > positive negative

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Q: Determine the entropy of * CO₂(g) CaCO3(s) → Cao(s) + CO₂ positive

A: Entropy can be defined as degree of randomness in a system.

Q: Calculate the ΔHrxn for the process: Zn (s) + 1/8 S8 (s) + 2O2 (g) → ZnSO4 (s) From the following…

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Q: For the reaction at 298 K, the values of H and S are 58.03 kJ and 176.6 J/K, respectively. What is…

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Q: Calculate the entropy change in surroundings when 1.00 mol of H2O (l) is formed under standard…

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Q: Consider the reaction     N2(g) + O2(g) —> NO(g)    Calculate the values of ΔrS for the reaction…

A: Some standard values are given below,

Q: Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when…

A: In this question,  it is given that sodium azide (NaN3) reacts on heating which produces nitrogen…